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Where am ILOCATED

Sebastian County, Arkansas

Sebastian County, Arkansas, has 130,641 residents (July 2025 estimate). Its county seat is Greenwood, Fort Smith. It uses Central Time and covers 531 sq mi (1,376 km²) of land.

Little RockFayetteville
Sebastian County in Arkansas
Logan CountyFort SmithGreenwoodLavacaMansfield
Sebastian County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
130,641
Land area
531 sq mi (1,376 km²)
County seat or government
Greenwood, Fort Smith
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$57,790 ± $2,172
Median home value
$176,200 ± $6,621
Median rent, with utilities
$886 ± $29
Homes lived in by their owners
61.4% ± 1.4 points
County type
County
Metro or micro area
Fort Smith, AR-OK metro areaCentral county
Water area
13.3 sq mi (34.5 km²)
State
Arkansas
County code (FIPS)
05131
Coordinates (central point)
35.196981, -94.274989
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Sebastian County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 7290327,242 people
  2. 7290421,296 people
  3. 7290119,819 people
  4. 7290814,288 people
  5. 7293614,070 people
  6. 7291611,711 people
  7. 729277,944 people
  8. 729415,140 people
  9. 729335,087 people
  10. 729234,956 people
  11. 729374,075 people
  12. 729442,599 people
All 17
  1. 729401,829 people
  2. 72938933 people
  3. 72945475 people
  4. 72930207 people
  5. 729050 people

17 ZIP Code areas overlap Sebastian County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Sebastian County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Sebastian County, largest first

  1. Upper Township89,805 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Arkansas, by county

School districts in Sebastian County, largest first

  1. Fort Smith Public Schools91,610 people
  2. Greenwood School District21,673 people
  3. Booneville School District6,775 people
  4. Hackett Public Schools5,916 people
  5. Mansfield School District5,348 people
  6. Charleston School District5,085 people
  7. Lavaca Public Schools4,991 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Fort Smith, Arkansas (city)89,805 people
  2. Greenwood, Arkansas (city)9,616 people
  3. Barling, Arkansas (city)5,007 people
  4. Lavaca, Arkansas (city)2,489 people
  5. Mansfield, Arkansas (city)1,204 people
  6. Hackett, Arkansas (city)1,118 people
  7. Bonanza, Arkansas (city)711 people
  8. Central City, Arkansas (town)627 people
  9. Hartford, Arkansas (city)496 people
  10. Huntington, Arkansas (city)468 people
  11. Midland, Arkansas (town)262 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Scott County, Arkansas26 mi southeast
  2. Crawford County, Arkansas27 mi north
  3. Franklin County, Arkansas31 mi northeast
  4. Logan County, Arkansas31 mi east
  5. Le Flore County, Oklahoma32 mi southwest
  6. Sequoyah County, Oklahoma34 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.